[VSCode] REST Client Extension

In VSCode, install REST Clinet Extension:

Create API_EXAMPLE.http file in root folder:

### Get mock
GET http://localhost:3000/data HTTP/1.1


### Post mock
POST http://localhost:3000/data HTTP/1.1
Content-Type: application/json

{
    "name": "John Doe"
}

you can directly send request form the file, and see the result in VSCode